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| Mirrors > Home > MPE Home > Th. List > domentr | Structured version Visualization version GIF version | ||
| Description: Transitivity of dominance and equinumerosity. (Contributed by NM, 7-Jun-1998.) |
| Ref | Expression |
|---|---|
| domentr | ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | endom 9037 | . 2 ⊢ (𝐵 ≈ 𝐶 → 𝐵 ≼ 𝐶) | |
| 2 | domtr 9065 | . 2 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) | |
| 3 | 1, 2 | sylan2 605 | 1 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 class class class wbr 5106 ≈ cen 9001 ≼ cdom 9002 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-pow 5332 ax-pr 5396 ax-un 7778 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5172 df-id 5551 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-f1o 6568 df-en 9005 df-dom 9006 |
| This theorem is used by: domdifsn 9110 xpdom1g 9124 domunsncan 9127 sdomdomtr 9160 domen2 9170 mapdom2 9198 unxpdom2 9282 sucxpdom 9283 xpfir 9290 cardsdomelir 10084 infxpenlem 10122 xpct 10125 infpwfien 10171 inffien 10172 mappwen 10221 iunfictbso 10223 djuxpdom 10294 cdainflem 10296 djuinf 10297 djulepw 10301 ficardun2 10310 unctb 10312 infdjuabs 10313 infunabs 10314 infdju 10315 infdif 10316 infxpdom 10318 pwdjudom 10323 infmap2 10325 fictb 10352 cfslb 10374 fin1a2lem11 10518 fnct 10650 fnctOLD 10651 unirnfdomd 10682 iunctb 10689 alephreg 10697 cfpwsdom 10699 gchdomtri 10744 canthp1lem1 10767 pwfseqlem5 10778 pwxpndom 10781 gchdjuidm 10783 gchxpidm 10784 gchpwdom 10785 gchhar 10794 inttsk 10889 inar1 10890 tskcard 10896 znnen 16412 qnnen 16413 rpnnen 16427 rexpen 16428 aleph1irr 16446 cygctb 20139 lindsdom 22189 1stcfb 23796 2ndcredom 23801 2ndcctbss 23807 hauspwdom 23853 tx2ndc 24003 met1stc 24873 met2ndci 24874 re2ndc 25153 opnreen 25184 ovolctb2 25846 ovolfi 25848 uniiccdif 25932 dyadmbl 25954 opnmblALT 25957 vitali 25967 mbfimaopnlem 26009 mbfsup 26018 aannenlem3 26690 dmvlsiga 34844 sigapildsys 34878 carsgclctunlem3 35035 dfac16 35859 weexenwe 35861 acwer1prclem 35864 karddom 35942 j0ltaleph 36021 jltalephlem 36038 finminlem 37297 phpreu 38732 mblfinlem1 38780 pellexlem4 44043 pellexlem5 44044 pr2dom 44731 tr3dom 44732 nnfoctb 46281 ioonct 46764 caragenunicl 47749 eufunclem 50871 aacllem 51251 |
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